Fort Zhong Zhang is located 9.5 kilometers west of qianshan district city government. In the eighth year of Shunzhi in Qing Dynasty (165 1), Zhang Zhong, the first resident of Shandong Province, came here to open up wasteland, hence the name Zhong Zhang Fort. East to New Castle and north to Antong Highway, it is a long and narrow mixed place. It covers an area of 2.4 square kilometers. Mainly vegetables and paddy fields and dry fields.
The sun is also called "Yang Qi Fort", which is located at12km northwest of qianshan district municipal government. In the eighth year of Shunzhi in Qing Dynasty (165 1), people were recruited here, and some people started as shepherds, which was once called "building a fort with one sheep". Ding Younian (1897), an imperial envoy in Guangxu period of Qing Dynasty, returned to the village and learned that "Yang Qibao" was named "Yang Qibao" because people and animals did not live together. According to its sound and meaning, the sun is the spirit. 1978 changed its name. Located on the west side of Yunliang River, it extends north and south along the village center in a block rectangular settlement. Covering an area of 3.78 square kilometers, vegetables are the main crops, and upland fields are also planted.